Home / 3,038.63-4,193.28-1,712.76

Finding the Fourth Proportional to 3,038.63, 4,193.28 and 1,712.76

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Solution

The fourth proportional to 3,038.63, 4,193.28 and 1,712.76 is: 2,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.63 : 4,193.28 = 1,712.76 : x
  2. Step 2: Convert to fraction form
    3,038.63/4,193.28 = 1,712.76/x
  3. Step 3: Cross multiply
    3,038.63x = 4,193.28 × 1,712.76
  4. Step 4: Simplify right side
    3,038.63x = 7,182,061.29
  5. Step 5: Solve for x
    x = 7,182,061.29/3,038.63
  6. Step 6: Final answer
    x = 2,363.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.